1200122212192 has 48 divisors (see below), whose sum is σ = 2395423618560. Its totient is φ = 591762834432.

The previous prime is 1200122212181. The next prime is 1200122212217. The reversal of 1200122212192 is 2912122210021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20221153 + ... + 20280415.

It is an arithmetic number, because the mean of its divisors is an integer number (49904658720).

Almost surely, 2^{1200122212192} is an apocalyptic number.

It is an amenable number.

1200122212192 is a deficient number, since it is larger than the sum of its proper divisors (1195301406368).

1200122212192 is an equidigital number, since it uses as much as digits as its factorization.

1200122212192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68015 (or 68007 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 1200122212192 in words is "one trillion, two hundred billion, one hundred twenty-two million, two hundred twelve thousand, one hundred ninety-two".